#define _CRT_SECURE_NO_WARNINGS 1
#pragma warning(disable:6031)

#define SQUARE(x) x*x
#define DOUBLE(x)  (x) + (x)

#include <stdio.h>
int main()
{
	int a = 5;
	printf("%d\n", 10 * DOUBLE(a));
	return 0;
}